2024
Time Course of Attention to a Talker’s Mouth in Monolingual and Close-Language Bilingual Children
Birulés J, Bosch L, Lewkowicz D, Pons F. Time Course of Attention to a Talker’s Mouth in Monolingual and Close-Language Bilingual Children. Developmental Psychology 2024, 60: 135-143. PMID: 37917490, DOI: 10.1037/dev0001659.Peer-Reviewed Original ResearchChild's native languageNative languageNonnative languageSelective attentionEarly linguistic experienceLinguistic experienceBilingual childrenSpanish monolingualsTalker's eyesMonolingualsLanguageTalker's faceTalker's mouthChildren's deploymentBilingualsTalkersEqual attentionTemporal dynamicsDifferential effectsCatalanAttentionUtterancesChildrenFaceTime course
2022
The multisensory cocktail party problem in children: Synchrony-based segregation of multiple talking faces improves in early childhood
Lewkowicz D, Schmuckler M, Agrawal V. The multisensory cocktail party problem in children: Synchrony-based segregation of multiple talking faces improves in early childhood. Cognition 2022, 228: 105226. PMID: 35882100, DOI: 10.1016/j.cognition.2022.105226.Peer-Reviewed Original ResearchConceptsPerceptual segregationTalking faceSame utteranceCocktail party problemEarly childhoodAV speechAudiovisual speechTalker's mouthSelective attentionMultiple talkersDevelopmental emergenceEye trackingParty problemTalkersDifferent facesSpeechUtterancesChildrenFaceChildhoodAttentionPowerful basisMeaningful informationSynchronyVersionViolation of non‐adjacent rule dependencies elicits greater attention to a talker's mouth in 15‐month‐old infants
Birulés J, Martinez‐Alvarez A, Lewkowicz D, de Diego‐Balaguer R, Pons F. Violation of non‐adjacent rule dependencies elicits greater attention to a talker's mouth in 15‐month‐old infants. Infancy 2022, 27: 963-971. PMID: 35833310, PMCID: PMC9542527, DOI: 10.1111/infa.12489.Peer-Reviewed Original ResearchConceptsNon-adjacent dependenciesTalker's mouthTest trialsAudiovisual speechSelective attentionAuditory speechTalker's faceInfant attentionInfants' discriminationFamiliar trialsArtificial languageLanguage acquisitionSpeech processingMore salientSpeechSame languageFaceNovel trialMonths of ageAttentionLanguageDiscriminationAuditoryActressNovel onesMechanisms by Which Early Eye Gaze to the Mouth During Multisensory Speech Influences Expressive Communication Development in Infant Siblings of Children with and Without Autism
Santapuram P, Feldman J, Bowman S, Raj S, Suzman E, Crowley S, Kim S, Keceli‐Kaysili B, Bottema‐Beutel K, Lewkowicz D, Wallace M, Woynaroski T. Mechanisms by Which Early Eye Gaze to the Mouth During Multisensory Speech Influences Expressive Communication Development in Infant Siblings of Children with and Without Autism. Mind Brain And Education 2022, 16: 62-74. PMID: 35273650, PMCID: PMC8903197, DOI: 10.1111/mbe.12310.Peer-Reviewed Original ResearchExpressive communicationJoint engagementCommunication developmentEye tracking taskPrelinguistic vocal developmentFree-play sessionVocal complexityTalker's mouthInfant gazeInfant siblingsCommunication samplesSpeaker's faceEye gazeAutism diagnosisPlay sessionsVocal developmentTracking taskIndirect effectsGazeEngagementPreliminary insightsTalkersFaceAutismTask
2020
Highly proficient L2 speakers still need to attend to a talker’s mouth when processing L2 speech
Birulés J, Bosch L, Pons F, Lewkowicz D. Highly proficient L2 speakers still need to attend to a talker’s mouth when processing L2 speech. Language Cognition And Neuroscience 2020, 35: 1314-1325. DOI: 10.1080/23273798.2020.1762905.Peer-Reviewed Original ResearchL2 speakersTalker's mouthNative speakersSecond language speechNon-native languageNon-native speakersProficient L2 speakersL2 speechLanguage proficiencyNative speechTalker's eyesSpeakersTalker's faceSuch attentionExperiment 1Experiment 2SpeechLanguageSpanishProficiencyAttentionTalkersProcessing situationsFaceParticipants
2018
Inside bilingualism: Language background modulates selective attention to a talker's mouth
Birulés J, Bosch L, Brieke R, Pons F, Lewkowicz D. Inside bilingualism: Language background modulates selective attention to a talker's mouth. Developmental Science 2018, 22: e12755. PMID: 30251757, DOI: 10.1111/desc.12755.Peer-Reviewed Original ResearchConceptsTalker's mouthSpanish-learning infantsAudiovisual speech cuesClose languagesLanguage proximityLanguage backgroundEnglish monologuesMonolingual infantsSelective attentionTalker's eyesBilingualsLanguageCatalanGreater salienceSpeech cuesAudiovisual cuesSuch cuesCuesBilingualismMonologueEarly childhoodPrevious findingsAttentionTalkersGreat attentionThe redeployment of attention to the mouth of a talking face during the second year of life
de Boisferon A, Tift A, Minar N, Lewkowicz D. The redeployment of attention to the mouth of a talking face during the second year of life. Journal Of Experimental Child Psychology 2018, 172: 189-200. PMID: 29627481, PMCID: PMC5920681, DOI: 10.1016/j.jecp.2018.03.009.Peer-Reviewed Original ResearchConceptsTalker's mouthSpeech cuesAdult-directed mannerAudiovisual speech cuesWord learning phaseGreater perceptual salienceMonolingual infantsAttentional focusMonolingual EnglishPerceptual salienceEye gazeSpanish utterancesNative languageAcquisition phaseSpeech formsMonths of ageUtterancesCuesAttentionTalkersFaceSalienceGazeLexiconInfants
2016
Selective attention to a talker's mouth in infancy: role of audiovisual temporal synchrony and linguistic experience
de Boisferon A, Tift A, Minar N, Lewkowicz D. Selective attention to a talker's mouth in infancy: role of audiovisual temporal synchrony and linguistic experience. Developmental Science 2016, 20 PMID: 26743437, PMCID: PMC6340138, DOI: 10.1111/desc.12381.Peer-Reviewed Original ResearchConceptsAudio-visual synchronyTalker's mouthSelective attentionLinguistic experienceAudiovisual temporal synchronyAttentional focusBabbling phaseLanguage expertiseFluent speechEye gazeTemporal synchronySynchronized speechRelative attentionSpeechSynchronyMonths of ageAttentionTalkersLanguageExperienceGazeDesynchronizationInfantsUsual patternPrevious studies
2015
Language familiarity modulates relative attention to the eyes and mouth of a talker
Barenholtz E, Mavica L, Lewkowicz D. Language familiarity modulates relative attention to the eyes and mouth of a talker. Cognition 2015, 147: 100-105. PMID: 26649759, PMCID: PMC6367725, DOI: 10.1016/j.cognition.2015.11.013.Peer-Reviewed Original ResearchConceptsAudiovisual speech cuesUnfamiliar languageLanguage familiarityFamiliar languageSpeech cuesBilingual subjectsLanguage conditionsMonolingual subjectsTalker's mouthAttentional strategiesSpeech processingLanguageRelative attentionTalkersTaskCuesFamiliarityAttentionAdultsSpeechFindingsParticipantsGreat attentionSubjectsProcessing